Forecast: Lester's wake to bring humidity, chance of thunderstor - Hawaii News Now - KGMB and KHNL

Forecast: Lester's wake to bring humidity, chance of thunderstorms

Radar at 7:30 a.m. Sunday (Image: Hawaii News Now) Radar at 7:30 a.m. Sunday (Image: Hawaii News Now)

Lester has been downgraded to a tropical storm and continues to move away from the islands. We're still going to have one more effect from the departing cyclone, and that's a band of weather in its wake that will include some heavy rain and thunderstorms, which will fire up with daytime heating. The band is spreading from east to west and will reach Oahu by afternoon. It's also going to be a bit muggy for much of the day.

The band of moisture should clear Kauai by Monday morning, and more stable weather should return, with moderate to strong trade winds bringing showers for windward and mauka areas. An upper level disturbance may enhance those showers during the second half of the week.

Surf on east shores is dropping rapidly below warning and advisory levels as Lester departs, with waves of 5-7 feet with occasional higher sets for Sunday. All other shores will have occasional chest-high sets. There's a Labor Day swell forecast for south shores, which could boost waves just below the eight-foot advisory level.

- Ben Gutierrez

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